CN104514599B - The method and exhaust treatment assembly of gas exhaust treatment for combustion gas turbine systems - Google Patents
The method and exhaust treatment assembly of gas exhaust treatment for combustion gas turbine systems Download PDFInfo
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- CN104514599B CN104514599B CN201410501279.1A CN201410501279A CN104514599B CN 104514599 B CN104514599 B CN 104514599B CN 201410501279 A CN201410501279 A CN 201410501279A CN 104514599 B CN104514599 B CN 104514599B
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- exhaust
- contact cooler
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- fluid
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000000567 combustion gas Substances 0.000 title claims abstract description 29
- 239000007789 gas Substances 0.000 title claims abstract description 22
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 98
- 239000012530 fluid Substances 0.000 claims abstract description 41
- 238000011084 recovery Methods 0.000 claims abstract description 23
- 230000009467 reduction Effects 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims description 41
- 239000012809 cooling fluid Substances 0.000 claims description 37
- 239000003153 chemical reaction reagent Substances 0.000 claims description 20
- 239000002737 fuel gas Substances 0.000 claims description 19
- 239000007800 oxidant agent Substances 0.000 claims description 13
- 230000001590 oxidative effect Effects 0.000 claims description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 7
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 5
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical class ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 claims description 5
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 5
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 5
- 239000003963 antioxidant agent Substances 0.000 claims description 5
- 230000003078 antioxidant effect Effects 0.000 claims description 5
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 5
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 239000011593 sulfur Substances 0.000 claims description 4
- WYMDDFRYORANCC-UHFFFAOYSA-N 2-[[3-[bis(carboxymethyl)amino]-2-hydroxypropyl]-(carboxymethyl)amino]acetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)CN(CC(O)=O)CC(O)=O WYMDDFRYORANCC-UHFFFAOYSA-N 0.000 claims description 3
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M sodium bicarbonate Substances [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- 239000003570 air Substances 0.000 description 10
- 238000006722 reduction reaction Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 229910021529 ammonia Inorganic materials 0.000 description 5
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/30—Exhaust heads, chambers, or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/002—Apparatus adapted for particular uses, e.g. for portable devices driven by machines or engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
- F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/20—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products
- F02C3/26—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products the fuel or oxidant being solid or pulverulent, e.g. in slurry or suspension
- F02C3/28—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products the fuel or oxidant being solid or pulverulent, e.g. in slurry or suspension using a separate gas producer for gasifying the fuel before combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/18—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/14—Cooling of plants of fluids in the plant, e.g. lubricant or fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/16—Cooling of plants characterised by cooling medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/01—Purpose of the control system
- F05D2270/08—Purpose of the control system to produce clean exhaust gases
- F05D2270/082—Purpose of the control system to produce clean exhaust gases with as little NOx as possible
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treating Waste Gases (AREA)
Abstract
The present invention relates to the method for the gas exhaust treatment for combustion gas turbine systems and exhaust treatment assemblies.The present invention relates to a kind of methods for operating combustion gas turbine systems, wherein combustion gas turbine systems include compressor, burner, heat recovery steam generator, washer, directly contact cooler, this method comprises: will be introduced into directly contact cooler from the wash fluid that washer discharges, the wash fluid in directly contact cooler is made to be in contact with the exhaust discharged from heat recovery steam generator to remove a part of nitrogen oxides from the exhaust；The exhaust discharged from direct contact cooler is fed into compressor.Using technical solution of the invention, the nitrogen oxides in exhaust is restored to a certain degree by means of the wash fluid from washer used.The solution can improve the efficiency in nitrogen oxides reduction in a manner of simple and is feasible.
Description
Technical field
The present invention relates to a kind of gas turbines, and in particular to a kind of method of the gas exhaust treatment for combustion gas turbine systems and
Exhaust treatment assembly.
Background technique
The burning in combustion apparatus such as generating equipment such as fuels such as coal, oil, natural gas, mud coal, waste, which generates, is known as cigarette
The heat treatment air-flow of road air-flow.Generally, flue gas stream includes particle and gaseous pollutant, such as carbon dioxide (CO2), nitrogen oxidation
Object (NOx) such as nitric oxide (NO) and nitrogen dioxide (NO2), nitrous oxide (N2) and sulfur dioxide (SO O2).It has realized that
The adverse environment that these gaseous pollutants are discharged into the atmosphere influences, and has resulted in develop and be suitable for moving from flue gas stream
The technique for removing or reducing the amount of such gaseous pollutant.
Various combustion modifications technologies are had been developed for control the formation of the NOx in flue gas stream.These technologies are substantially
It is upper that there is relatively low NOx reduction efficiency, and it is related to biggish heat loss.Flue gas stream processing technique can realize that significant ground is high
In the removal efficiency of combustion modifications technology.Such flue gas treatment technology includes selective catalytic reduction (SCR) and selectivity
Non-catalytic reduction (SNCR).SCR and SNCR technology executes chemistry redox reaction using ammonia or urea NOx to be reduced into
Nitrogen (N2) and water (H2O).However, these technology correlations have a significant defect, e.g., high cost, degradation of catalyst efficiency in the case of SCR,
Narrow temperature window and ammonia sliding (unreacted ammonia) in the case where ammonia sliding and the device space and SNCR.From flue gas stream
The washing system for chemically absorbing NOx provides alternative to SCR and SNCR technology and its associated defect.
Recycling is the technology for the possible purpose of most of multiplicity that can be essentially available in gas turbine.In gas turbine
Exhaust recycling in, the larger score of exhaust is vented distributary from whole, and again defeated generally after cooling and purification
The quality to turbine is sent to enter stream or turbo-compressor.The ingredient of exhaust gas composition and fresh ambient air varies considerably.In general, again
The exhaust tributary of circulation is mixed with the fresh air from ambient enviroment, and the mixture is subsequently delivered to compressor.
A kind of gas handling system is disclosed in 2013103990 A2 of WO comprising is had and the first side for being separated from each other
With the heat exchanger of second side.First lateral confinement determines first entrance and first outlet, and second side limits second entrance and second and goes out
Mouthful.Directly contact cooler and first outlet is in fluid communication, and Direct Contact Heating device and first entrance are in fluid communication, and/or gas
Body filter and first entrance and first outlet are in fluid communication.Gas handling system includes and second entrance and/second outlet fluid
The ammonia filtration system of connection.A possibility that inhibiting such oscillation includes for example quarter-wave pipe of damping unit of attachment, the last of the twelve Earthly Branches
Mu Huozi damper or sound barrier.
A kind of equipment and assemble method for reduction discharge is disclosed in 20120102913 A1 of US, wherein heat is returned
It receives steam generator (HRSG) to be connected on gas-turbine unit, gas turbine engine emissions include nitrogen oxides (NOx)
Exhaust stream.HRSG include for heat exhaust based on the heating element of steam and at least one NOx reduction element,
It is connected at least one heating element downstream based on steam, and is configured to facilitate reduction and is sent at least one NOx reduction member
The amount of the NOx in exhaust in part.
A kind of HRSG for applying to fossil fuel is disclosed in 2012094362 A3 of WO applies ozone NOx control
Method, wherein including envoy for the reduction NOx from from the exhaust stream that fossil fuel burns turbine and the method for recycling waste heat
Exhaust stream about between device and evaporator is in contact so that NO is converted into nitrogen dioxide (NO with ozone gas2), to form packet
Include NO2With the exhaust stream of remaining NO.This method further includes making to include NO2It is in contact with the exhaust stream of remaining NO with water mist to generate
Including nitric acid (HNO3) and residue NO exhaust stream.It includes HNO that this method, which further includes cooling,3With the exhaust stream of remaining NO, by first
Remaining moisture film is collected on the first cooling medium and obtains HNO3, and remove the first moisture film and HNO3。
Even if realizing biggish development in the art, but there is still a need for further spaces to explore with lower cost
With the possible approaches of the NOx in the reduction exhaust of higher efficiency.
Summary of the invention
The purpose of the present invention is to provide a kind of method for operating combustion gas turbine systems, wherein combustion gas turbine systems packet
It includes the compressor for compressing inlet air, form the burning of exhaust for making the inlet air of fuel gas and compression burn
Device, for collect exhaust a part heat recovery steam generator, for before fuel is fed into burner with washing
The washer of fluid wash fuel, for cooling fluid come cool down from heat recovery steam generator discharge exhaust directly connecing
Cooler is touched, method includes: that will be introduced into directly contact cooler from the wash fluid that washer discharges, make directly to contact cooling
Wash fluid in device is in contact to remove nitrogen oxides from the exhaust with the exhaust discharged from heat recovery steam generator
A part；The exhaust discharged from direct contact cooler is fed into compressor.
An exemplary embodiment according to the present invention, combustion gas turbine systems further include by means of cooling fluid to directly connecing
It touches cooler and cooling cooling tower, and this method is provided further include: the cooling fluid discharged from cooling tower is introduced into directly contact
In cooler.
An exemplary embodiment according to the present invention, combustion gas turbine systems further include for mentioning to direct contact cooler
For cooling heat exchanger.
An exemplary embodiment according to the present invention, this method further include: draw the reagent for being used to remove nitrogen oxides
Enter in directly contact cooler.
An exemplary embodiment according to the present invention, this method further include: the oxidant of antioxidant nitroxide will be used for
It is introduced into directly contact cooler.
An exemplary embodiment according to the present invention, this method further include: directly contact pH control reagent introducing cold
But in device.
An exemplary embodiment according to the present invention, reagent include Fe (II), at least one in EDTA, NTA and DPTA
Person.
An exemplary embodiment according to the present invention, oxidant include in hydrogen peroxide, ozone and plasma at least
One.
An exemplary embodiment according to the present invention, it includes NaOH, NaHCO that pH, which controls reagent,3And Na2CO3In at least
One.
In another aspect of the invention, a kind of exhaust treatment assembly for combustion gas turbine systems is provided, wherein firing
Gas eddy wheel system includes carrying out shape for compressing the compressor of inlet air, for making the inlet air of fuel gas and compression burn
At the burner of exhaust, which includes: the heat recovery steam generator for collecting a part of exhaust；For in fuel gas
Body be fed into burner before with wash fluid to wash the washer of fuel gas, for being cooled down with cooling fluid from heat
The direct contact cooler of the exhaust of recovered steam generator discharge, wherein washer and with directly contacting cooler fluid company
Connect, so as to will from the wash fluid that washer discharges be introduced into directly contact cooler in, heat recovery steam generator with directly connect
Touching cooler fluid connect, so as to make directly contact cooler in wash fluid with from heat recovery steam generator discharge
Exhaust is in contact, to remove a part of nitrogen oxides from the exhaust；Directly contact cooler with compressor fluid connect with
The exhaust discharged from direct contact cooler is fed into compressor.
An exemplary embodiment according to the present invention, the component further include: draw the reagent for being used to remove nitrogen oxides
Enter the agent delivery device in directly contact cooler；The oxidant for being used for antioxidant nitroxide is introduced into directly contact cooler
In oxidant feeding mechanism, for by pH control reagent is introduced into directly contact cooler in pH control agent delivery device.
An exemplary embodiment according to the present invention, the component further include: cold to directly contacting by means of cooling fluid
But device provides cooling cooling tower, connect with direct contact cooler fluid and is introduced with the cooling fluid that will be discharged from cooling tower
Directly contact in cooler.
An exemplary embodiment according to the present invention, the component further include: cold for being provided to directly contact cooler
But heat exchanger.
Using technical solution of the invention, nitrogen oxides in exhaust is by means of the washing from washer that uses
Fluid is restored to a certain degree.The solution can improve the effect in nitrogen oxides reduction in a manner of simple and is feasible
Rate.
Detailed description of the invention
The following non-limiting of the preferred embodiment of the present invention provided only for the purpose of citing is being read referring to attached drawing
When description, the purpose of the present invention, advantage and other feature be will be apparent, and similar reference label can be used for indicating in attached drawing
Similar element, and in the accompanying drawings:
Fig. 1 shows the schematic diagram of the combustion gas turbine systems according to an embodiment of the invention with gas exhaust treatment；
Fig. 2 shows the signals of the combustion gas turbine systems with gas exhaust treatment according to another embodiment of the invention
Figure；And
Fig. 3 shows the signal of the combustion gas turbine systems with gas exhaust treatment according to another embodiment of the invention
Figure.
Parts List
10 combustion gas turbine systems
The mixture of 102 fuel gas and surrounding air
105 mixers
110 compressors
120 burners
130 turbines
140 heat recovery steam generators
142 exhausts discharged from heat recovery steam generator
150 directly contact cooler
152 cooling fluids
154 exhausts discharged from directly contact cooler
156 oxidants
158 reagents
159 cooling fluids discharged from directly contact cooler
160 washers
162 wash fluids
164 fuel gas
166 fuel gas discharged from washer
168 wash fluids discharged from washer
170 cooling towers
172 cooling fluids discharged from cooling tower
180 heat exchangers
184 entrance cooling fluids
186 outlet cooling fluids
190 cooling fluid processing units
192 cooling fluids discharged from cooling fluid processing unit.
Specific embodiment
Fig. 1 shows the combustion gas turbine systems 10 with gas exhaust treatment of an exemplary embodiment according to the present invention
Illustrative example.Combustion gas turbine systems 10 include for compressing the compressor 110 of inlet air, for making fuel gas and compression
Inlet air burning form the burner 120 fluidly connected of exhaust, and drive load for making exhaust expansion
The turbine 130 fluidly connected.Combustion gas turbine systems 10 further include at least one for collecting the exhaust discharged from turbine 130
Partial heat recovery steam generator (HRSG) 140, for being fed into combustion in fuel gas 164 using such as water of wash fluid 162
Fuel gas 164 is washed before in burner 120 to remove the washer 160 of sulfide or other reduction sulfur-containing compounds, to use
In the direct contact cooler for cooling down the exhaust 142 discharged from heat recovery steam generator 140 with such as water of cooling fluid 152
150.After washing in washer 160, fuel gas 166, which is fed into burner 120, to be used to burn.
In an exemplary embodiment of the present invention, direct contact is introduced from the wash fluid 168 that washer 160 discharges
Exhaust 142 is contacted in cooler 150, so as to by means of in the sulfide from the wash fluid 168 that fuel gas absorbs and its
It restores a part (NOx) that the reaction between sulfur-containing compound to remove nitrogen oxides from the exhaust.Hereafter, from directly contact
The exhaust 154 that cooler 150 discharges is fed into compressor 110.In an exemplary embodiment of the present invention, gas turbine
System 10 includes mixer 105, mixes exhaust 154 with surrounding air therein.Then, exhaust 154 and surrounding air
Mixture 102 be fed into compressor 110.
In an exemplary embodiment of the present invention, in order to further from the removal NOx of exhaust 142 and other impurity and dirt
Object is contaminated, reagent 158 and oxidant 156 are introduced into directly contact cooler 150.Reagent 158 include Fe (II), EDTA, NTA and
At least one of DPTA and other chelating agents with sulphite and sulfide.Oxidant 156 includes hydrogen peroxide, ozone
At least one of with plasma.It is also to be introduced into pH controlling agent in directly contact cooler 150 to control it by what is envisioned
The pH of middle fluid.PH controlling agent may include NaOH, NaHCO3And Na2CO3At least one of.
Fig. 2 shows the modifications of combustion gas turbine systems 10 as shown in Figure 1.According to an example as shown in Figure 2
Property embodiment, combustion gas turbine systems 10 include cooling tower 170, are used for by means of cooling fluid such as water come to direct contact cooling
Device 150 provides cooling.The cooling fluid 172 discharged from cooling tower 170 is introduced into directly contact cooler 150.Show at another
In example property embodiment, cooling fluid 172 can be combined in identical supply line with reagent 152.Directly contacting in cooler 150
After use, cooling fluid 159 can return to cooling tower 170 to be used to recycle.
Fig. 3 shows another modification of combustion gas turbine systems 10 as shown in Figure 1.According to as shown in Figure 3 one
A exemplary embodiment, combustion gas turbine systems 10 include for being provided by cooling fluid such as water to directly contact cooler 150
Cooling heat exchanger 180.In this embodiment, as shown in Figure 2, for directly contacting the cooling fluid in cooler 150
It can be separated with the cooling fluid in cooling tower 170.It is cold in use and after directly contact cooler 150 discharges in Fig. 3
But fluid 159, which is introduced into heat exchanger 180, is used to cool down.It then, can be directly from the cooling fluid that heat exchanger 180 discharges
It is introduced into directly contact cooler 150.Alternately or in addition, cooling fluid processing unit 190 may be connected to heat exchanger 180
Downstream, directly to contact cooling fluid used in cooler 150 for regenerating.In the case, from cooling fluid processing
The cooling fluid 192 that device 190 discharges can be introduced into directly contact cooler 150.As described above, reagent 158 can be identical
Supply line in combined with cooling fluid 192.For heat exchanger, such as water of entrance cooling fluid 184 and outlet cooling fluid
186 may be from another cooling device and flow to another cooling device, e.g., cooling tower 170 shown in Fig. 2, for heat
The cooling of exchanger 180.
As an embodiment of the present invention, a kind of exhaust treatment assembly for combustion gas turbine systems 10 is proposed.Such as
Shown in Fig. 1, exhaust treatment assembly can include: for collecting the heat recovery steam generator 140 of a part of exhaust；For
Fuel gas is fed into before burner 120 with the washer 160 of wash fluid such as water washing fuel gas, for cooling stream
The direct contact cooler 150 of cooling exhaust discharge from heat recovery steam generator 140 of body such as water, wherein washer 160 and
Directly contact cooler 150, which is fluidly connected, introduces directly contact cooler 150 with the wash fluid that will be discharged from washer 160
In, heat recovery steam generator 140 is fluidly connected with direct contact cooler 150, to make directly to contact in cooler 150
Wash fluid be in contact with the exhaust discharged from heat recovery steam generator 140, with from the exhaust remove nitrogen oxides one
Part；Directly contact cooler 150 is fluidly connected with compressor 120, the exhaust that will be discharged from direct contact cooler 150
It is fed into compressor 120.
Although being not shown, exhaust treatment assembly, which may also include, introduces the reagent 158 for being used to remove nitrogen oxides directly
Contact the agent delivery device in cooler 150；The oxidant 156 for being used for antioxidant nitroxide is introduced into directly contact cooler
Oxidant feeding mechanism in 150, and the pH control reagent for being introduced into pH control reagent in directly contact cooler 150
Feeding mechanism.
As shown in Figure 2, exhaust treatment assembly, which may also include, is provided by means of cooling fluid to direct contact cooler 150
Cooling cooling tower 170 fluidly connects, the cooling fluid that will be discharged from cooling tower 170 with direct contact cooler 150
It is introduced into directly contact cooler 150.
As shown in Figure 3, exhaust treatment assembly may also include hands over for providing cooling heat to direct contact cooler 150
Parallel operation 180.
Using technical solution of the invention, nitrogen oxides in exhaust is by means of the washing from washer that uses
Fluid is restored to a certain degree.The solution can improve the effect in nitrogen oxides reduction in a manner of simple and is feasible
Rate.
Although describing the present invention only in conjunction with a limited number of embodiment, it will be readily understood that, the present invention is not
It is limited to such disclosed embodiment.On the contrary, the present invention can be changed combine not described so far any number of remodeling, change,
Displacement or equivalent arrangements, but this is suitable with the spirit and scope of the present invention.In addition, although it have been described that various realities of the invention
Example is applied, it is to be understood that aspect of the invention can only include some in the embodiment described.Therefore, the present invention should not be seen
Work is to be limited by foregoing description, but be limited only by the scope of the following claims.
Claims (13)
1. a kind of method for operating combustion gas turbine systems, wherein the combustion gas turbine systems include for compressing entrance sky
The compressor of gas, for making the inlet air of fuel gas and compression burn form the burner of exhaust, it is described for collecting
The heat recovery steam generator of a part of exhaust, for before the fuel is fed into the burner with wash fluid
Wash the fuel washer, for cooling fluid come cool down from the heat recovery steam generator discharge the exhaust
Direct contact cooler, which comprises
It will be introduced into the direct contact cooler from the wash fluid that the washer discharges,
Make the wash fluid in the direct contact cooler and the row from heat recovery steam generator discharge
Gas phase contacts so as to by means of in the sulfide from the wash fluid that the fuel gas absorbs and other reduction sulfur-containing compounds
Between reaction from the exhaust remove nitrogen oxides a part；
The exhaust discharged from the direct contact cooler is fed into the compressor.
2. the method according to claim 1, wherein the combustion gas turbine systems further include by means of the cooling
The fluid cooling tower cooling to the directly contact cooler offer, and the method also includes:
It will be introduced into the direct contact cooler from the cooling fluid that the cooling tower discharges.
3. the method according to claim 1, wherein the combustion gas turbine systems further include for it is described directly
It contacts cooler and cooling heat exchanger is provided.
4. according to claim 1 to the method described in any one of claim 3, which is characterized in that the method also includes:
The reagent for being used to remove nitrogen oxides is introduced into the direct contact cooler.
5. according to claim 1 to the method described in any one of claim 3, which is characterized in that the method also includes:
The oxidant for being used for antioxidant nitroxide is introduced into the direct contact cooler.
6. according to claim 1 to the method described in any one of claim 3, which is characterized in that the method also includes:
PH control reagent is introduced into the direct contact cooler.
7. according to the method described in claim 4, it is characterized in that, the reagent includes Fe (II), in EDTA, NTA and DPTA
At least one.
8. according to the method described in claim 5, it is characterized in that, the oxidant includes hydrogen peroxide, ozone and plasma
At least one of.
9. according to the method described in claim 6, it is characterized in that, pH control reagent includes NaOH, NaHCO3And Na2CO3
At least one of.
10. a kind of exhaust treatment assembly for combustion gas turbine systems, wherein the combustion gas turbine systems include for being compressed into
The compressor of mouthful air forms the burner of exhaust, the component for making the inlet air of fuel gas and compression burn
Include:
For collecting the heat recovery steam generator of a part of the exhaust；
The washer of the fuel gas is washed with wash fluid before the fuel gas is fed into the burner,
For cooling down the direct contact cooler for the exhaust discharged from the heat recovery steam generator with cooling fluid,
Wherein,
The washer is connect with the direct contact cooler fluid, so as to the washing that will be discharged from the washer
Fluid is introduced into the direct contact cooler,
The heat recovery steam generator is connect with the direct contact cooler fluid, to make the direct contact cooling
The fluid in device is in contact with the exhaust discharged from the heat recovery steam generator, by means of from the combustion
Expect that the reaction in the wash fluid of gas absorption between sulfide and other reduction sulfur-containing compounds removes nitrogen oxidation from the exhaust
A part of object；
The institute that the direct contact cooler is connect will discharge from the direct contact cooler with the compressor fluid
Exhaust is stated to be fed into the compressor.
11. exhaust treatment assembly according to claim 10, which is characterized in that the component further include:
The reagent for being used to remove nitrogen oxides is introduced into the agent delivery device in the direct contact cooler；
The oxidant for being used for antioxidant nitroxide is introduced into the oxidant feeding mechanism in the direct contact cooler；
PH for pH control reagent to be introduced into the direct contact cooler controls agent delivery device.
12. exhaust treatment assembly according to claim 10, which is characterized in that the component further include:
There is provided cooling cooling tower to the directly contact cooler by means of the cooling fluid, with it is described directly contact it is cold
But device is fluidly connected will be introduced into the direct contact cooler from the cooling fluid that the cooling tower discharges.
13. exhaust treatment assembly according to claim 10, which is characterized in that the component further include:
For providing cooling heat exchanger to the directly contact cooler.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13186317.7A EP2853718B1 (en) | 2013-09-27 | 2013-09-27 | Method of exhaust gas treatment for a gas turbine system and exhaust gas treatment assembly |
| EP13186317.7 | 2013-09-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104514599A CN104514599A (en) | 2015-04-15 |
| CN104514599B true CN104514599B (en) | 2019-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410501279.1A Active CN104514599B (en) | 2013-09-27 | 2014-09-26 | The method and exhaust treatment assembly of gas exhaust treatment for combustion gas turbine systems |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9951656B2 (en) |
| EP (1) | EP2853718B1 (en) |
| JP (1) | JP2015068345A (en) |
| KR (1) | KR20150035449A (en) |
| CN (1) | CN104514599B (en) |
| CA (1) | CA2864998A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2642097A1 (en) * | 2012-03-21 | 2013-09-25 | Alstom Technology Ltd | Method for operating a gas turbine and gas turbine for carrying out the method |
| US9644497B2 (en) * | 2013-11-22 | 2017-05-09 | Siemens Energy, Inc. | Industrial gas turbine exhaust system with splined profile tail cone |
| JP6746689B2 (en) | 2015-09-01 | 2020-08-26 | ８ リバーズ キャピタル，エルエルシー | System and method for power production using a nested CO2 cycle |
| CN105289277A (en) * | 2015-10-12 | 2016-02-03 | 任治民 | Whole-course operation system and method for SCR denitration device of coal-fired power plant boiler |
| BR112019009764A2 (en) * | 2016-11-15 | 2019-08-13 | 8 Rivers Capital Llc | removal of impurities from a process flow through its contact with an oxidizer and an aqueous flow |
| CN107762632A (en) * | 2017-10-23 | 2018-03-06 | 江苏华强新能源科技有限公司 | Gas turbine case |
| CN110200481B (en) * | 2018-06-22 | 2024-06-07 | 华帝股份有限公司 | Steam generator, electric steam box and cleaning control method for steam cooking equipment |
| CN113404595A (en) * | 2020-03-16 | 2021-09-17 | 通用电气公司 | Gas turbine engine and method of operating the same |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104514599A (en) | 2015-04-15 |
| EP2853718B1 (en) | 2020-06-24 |
| EP2853718A1 (en) | 2015-04-01 |
| CA2864998A1 (en) | 2015-03-27 |
| US9951656B2 (en) | 2018-04-24 |
| JP2015068345A (en) | 2015-04-13 |
| KR20150035449A (en) | 2015-04-06 |
| US20150089956A1 (en) | 2015-04-02 |
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